15564420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 53625600

約数和(自身を除く): 38061180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 41, 45, 54, 57, 60, 74, 76, 82, 90, 95, 108, 111, 114, 123, 135, 148, 164, 171, 180, 185, 190, 205, 222, 228, 246, 270, 285, 333, 342, 369, 370, 380, 410, 444, 492, 513, 540, 555, 570, 615, 666, 684, 703, 738, 740, 779, 820, 855, 999, 1026, 1107, 1110, 1140, 1230, 1332, 1406, 1476, 1517, 1558, 1665, 1710, 1845, 1998, 2052, 2109, 2214, 2220, 2337, 2460, 2565, 2812, 3034, 3116, 3330, 3420, 3515, 3690, 3895, 3996, 4218, 4428, 4551, 4674, 4995, 5130, 5535, 6068, 6327, 6660, 7011, 7030, 7380, 7585, 7790, 8436, 9102, 9348, 9990, 10260, 10545, 11070, 11685, 12654, 13653, 14022, 14060, 15170, 15580, 18204, 18981, 19980, 21033, 21090, 22140, 22755, 23370, 25308, 27306, 28044, 28823, 30340, 31635, 35055, 37962, 40959, 42066, 42180, 45510, 46740, 54612, 57646, 63270, 68265, 70110, 75924, 81918, 84132, 86469, 91020, 94905, 105165, 115292, 126540, 136530, 140220, 144115, 163836, 172938, 189810, 204795, 210330, 259407, 273060, 288230, 345876, 379620, 409590, 420660, 432345, 518814, 576460, 778221, 819180, 864690, 1037628, 1297035, 1556442, 1729380, 2594070, 3112884, 3891105, 5188140, 7782210, 15564420]

約数ペア:

[(1, 15564420), (2, 7782210), (3, 5188140), (4, 3891105), (5, 3112884), (6, 2594070), (9, 1729380), (10, 1556442), (12, 1297035), (15, 1037628), (18, 864690), (19, 819180), (20, 778221), (27, 576460), (30, 518814), (36, 432345), (37, 420660), (38, 409590), (41, 379620), (45, 345876), (54, 288230), (57, 273060), (60, 259407), (74, 210330), (76, 204795), (82, 189810), (90, 172938), (95, 163836), (108, 144115), (111, 140220), (114, 136530), (123, 126540), (135, 115292), (148, 105165), (164, 94905), (171, 91020), (180, 86469), (185, 84132), (190, 81918), (205, 75924), (222, 70110), (228, 68265), (246, 63270), (270, 57646), (285, 54612), (333, 46740), (342, 45510), (369, 42180), (370, 42066), (380, 40959), (410, 37962), (444, 35055), (492, 31635), (513, 30340), (540, 28823), (555, 28044), (570, 27306), (615, 25308), (666, 23370), (684, 22755), (703, 22140), (738, 21090), (740, 21033), (779, 19980), (820, 18981), (855, 18204), (999, 15580), (1026, 15170), (1107, 14060), (1110, 14022), (1140, 13653), (1230, 12654), (1332, 11685), (1406, 11070), (1476, 10545), (1517, 10260), (1558, 9990), (1665, 9348), (1710, 9102), (1845, 8436), (1998, 7790), (2052, 7585), (2109, 7380), (2214, 7030), (2220, 7011), (2337, 6660), (2460, 6327), (2565, 6068), (2812, 5535), (3034, 5130), (3116, 4995), (3330, 4674), (3420, 4551), (3515, 4428), (3690, 4218), (3895, 3996)]